php教程

SplFileObject::valid

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::validNot at EOF

说明

public SplFileObject::valid ( void ) : bool

Check whether EOF has been reached.

参数

此函数没有参数。

返回值

Returns TRUE if not reached EOF, FALSE otherwise.

范例

Example #1 SplFileObject::valid() example

<?php
// Loop over a file, line by line
$file = new SplFileObject("file.txt");
while (
$file->valid()) {
    echo 
$file->fgets();
}
?>

参见

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